Table 3
Results of the self-calibration simulation for the QUBIC instrument with 400 horns, 2 × 1024 bolometers array, 1000 pointings, and all baseline measurements.
| Parameters | tb = 0 s | tb = 1 s | tb = 100 s | ||
|
|
|||||
| σ id−corr | σ corr−rec | ratio | σ corr−rec | Ratio | |
|
|
|||||
|
0.004 | 8.48 × 10-5 | 47 | 1.87 × 10-6 | 2140 |
|
0.15 | 1.41 × 10-3 | 106 | 3.26 × 10-5 | 4596 |
|
100. × 10-6 | 5.86 × 10-5 | 17 | 2.27 × 10-8 | 4402 |
|
0.0001 | 1.36 × 10-6 | 73 | 1.22 × 10-8 | 8182 |
|
0.0001 | 1.09 × 10-6 | 92 | 1.20 × 10-8 | 8280 |
| h η | 0.01 | 1.18 × 10-4 | 84 | 7.27 × 10-6 | 1375 |
| ξ η | 0.01 | 1.24 × 10-4 | 80 | 5.81 × 10-6 | 1722 |
Notes. The recovered parameters are given in the first column. In the second column, one can see the value of the standard deviation between the ideal and corrupted parameters (without self-calibration). The third and fifth columns give the value of the standard deviation between the corrupted and reconstructed parameters (with self-calibration). The benefit obtained after applying the self-calibration method is given in the fourth and sixth columns: this is the ratio between the value of the standard deviation of the third and the second columns for tb = 1 s and of the fifth and the second columns for tb = 100 s.
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